Twitter 上的 Food4Dogs:"2. Here you see details of the OST and sheet music; the locket with replica music box; and the story booklet illustrated by Temmie Chang. The booklet btw comes with
Undertale (Collector's Edition) (2017) box cover art - MobyGames
Undertale Collector's Edition with 14k Gold Music Box Locket (PlayStation 4 PS4) | eBay